How many subsets of 1,2,3,4,6,8,10,15 are there for which the sum of the elements is 15

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in

Simplify 1/3 12x - 6 a. -2x-1 b.-2x-8 c.-x+4 d.3x+10 e. 4x-2